Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7413345 | Calibration device and method of using same | Keith Albert Spanswick | 2008-08-19 |
| 4382646 | Method for removing gases caused by out-gassing in a vacuum vessel | — | 1983-05-10 |
| 4227085 | Ionization-type particle detector | — | 1980-10-07 |
| 4191868 | Seismic safety cutoff switch | — | 1980-03-04 |